Parker TB-10 Yoke Weight Lift Test Bar Parker research corporation| 12883 Parker TB-10 Yoke Weight Lift Test Bar Print Parker research corporation| 12883 Parker TB-10 Yoke Weight Lift Test Bar Certified and serialized weight for the calibration and certification of magnetic particle inspection yokes. Options: TB-10: Certified weight, 10lb (4.54kg). TB-10S-4: Set of four (4x) certified weight, 40lb (18.14kg). TB-10S-5: Set of five (5x) certified weight, 50lb (22.68kg). Contact us for more information and/or to receive a quote. Request for information